The Collaborative International Dictionary of English v.0.48:

Agazed \A*gazed"\ ([.a]*g[=a]zd"), p. p. [Only in p. p.; another
   spelling for aghast.]
   Gazing with astonishment; amazed. [Obs.]
   [1913 Webster]

         The whole army stood agazed on him.      --Shak.
   [1913 Webster]